/challenges-projects/design-challenges/1-meter-of-pi/b/blog/posts/1-metre-of-pi-ninth-post-main-elements-addsAddendum A to Blog/Post Nine: I previously wrote:“Note: In the original proposal I had included a Solar Panel (or a series of panels) to be sited at the very top of the Construction to provide additional back-up power.” ADDS: As the appli...en-USTelligent Community 12